[DeTomaso] cooling system bleeding

[Asa Jay Laughton]

The trouble I had was trying to understand how this would be done with a 
completely -filled- cooling system.  -That- was my mistake, you can't do 
it that way.  The system as I suspected, must be empty, much like when 
initially vacuuming/drying an A/C system prior to charge.  I got it now.

Thank you all,
Asa Jay

Asa Jay Laughton, MSgt, USAFR, Retired

& Shelley Marie
Spokane, WA

1971 Mach I Mustang  [ASA JAY]
1973 Pantera L 5533  [ASASCAT]
    
******************************     
http://www.asajay.com
http://www.teampanteraracing.com
  



SOBill at aol.com wrote:
> Asa Jay,
>  
> Compressed air flows thru a Venturi in the tool and this creates a  vacuum 
> which removes the air from the cooling system. Makes no difference if  
> thermostats or heater controls are open or closed. When the system shows a  
> suitable vacuum level, the vacuum valve on the tool is closed and  the coolant 
> valve is opened. The coolant is forced by atmospheric pressure  from a 
> container in which the supply hose (with mesh filter) has been placed to  
> completely fill the cooling system. The supply container must contain the amount  of 
> fluid required to fill the system and keep the supply hose to the tool  
> submerged.
>  
> Do not doubt that the compressed air/Venturi can pull a good  vacuum. I 
> helped another Pantera owner pull a vacuum on his AC system using a  compressed 
> air/Venturi adapter from Harbor Freight and the vacuum gauge showed  that 
> it worked just fine.
>  
> Harbor Freight sold a similar coolant filling unit as "Universal  Coolant 
> Check/Fill Model 65183." I have one of these units. Very nicely made,  but 
> not currently listed in their online catalog.
>  
> Have fun,
>  
> SOBill  Taylor
> sobill at aol.com  
>
>
>
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